Cinematograph apparatus



Aug. 2o, 1929.

Filed Aug. 22,

4 Sheets-Sheet l Lan nge.

, Aug. 2o, 1,929. R J NEIL 1,725,595

CINEMATOGRAPH APPARATUS Filed Aug. 22, 1927 4 sheets-sheet 2 -Aug. 20,1929. R. J. NEIL CINEMATOGRAPH APPmwrus Filed Aug. 22, 1927 4Sheets-Sheet 5 Aug. 2o, 1929.

, R. J. NEIL 1,725,595

CINEMATOGRAPH APPARATUS Filed Aug. 22. 1927 4 Sheets-Sheet 4 S E1713.10. .f *3, my n 7, zo

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Patented Aug. 20, i929. l AUNITED STATES 1,725,595 PAT-ENT orifice.

BICHABD JAMES NEIL, OF DALSTON, LONDON, ENGLAND, ASSIGNOR 0F ONE-HALF T0CHARLES WILLIAM BETTIG, OELONDON, ENGLAND.

CINEMATOGBAPH APPARATUS.

Animation mea August 22, 1927, serial 110.214.355, and in creat Britainoctobe 4, 192e;

This invention relates to cinematograph apparatus.

Accordingv to the invention I provide a combined camera and projectorapparatus for taking pictures on, and projecting themv from, eitheropaque or transparent films, wherein the apparatus has openings sopositioned and constructed that they may be Camera.

In a suitable arrangement for carrying out the inventionI employ acomblned cam- "era, and projector of the type employed for taking andprojecting transparent or celluv vided to carry the latter.

loid films, having a lens common to both operations, and I provide it oneither side of the said lens with an aperture for a de-y tachablehousing for an electric lamp placed at such an angle th t the light ofboth lamps will be directed on to the face of an opaque or paper filmwhen it is required to project the pictures on the latter through thelens. Both kinds of film are intermittently traversed in a guide or racebetween apertures co-aXial with the lens in the known way, anda'thirddetachable housing is fitted to the rear of the apparatus for thereception of an electric lamp for the purpose of projecting thetransparent or celluloid films.

A detachable cap or shutter is fitted to the aperture at the rear of thefilm to prevent light reaching the back of or ogging the paper orCelluloid film when taking photographs thereon. It also prevents thepaper film from being overheated while being projected. The cap orshutter is held in position by suitable means such as a spring .clippivoted 'so that it can be moved out of line with the aperture when thecap is removed from the latter.

' When using the apparatus as a camera,

the lamp housings at the front thereof are them and suitable caps arefitted into the.

said apertures.

The apparatus is preferably made of small dimensions for portability andconsequently carries comparatively short lengths of film, and where itis required to make use of longer films a suitable attachment is pro- Toenable the invention to be fully understood I will describe it byreference to the accompanying drawings, in which:-

Figures 1, 2 and 3 are, respectively, a sectional side view, a sectionalrear view and a sectional plan View of a combined camera and projectorfor either opaqueor transparent cinematograph films, constructed inaccordance with the inventiony and arranged or projecting the picturesof ar opaque or paper film.

Figure 1 is a section -on the line 4-4, Figure 2.

Figures 5, 6 and 7 are, respectively, a rear view, a side view and aplan view of a portion of the apparatus, but arranged for projecting thepictures of a transparent or Celluloid film.

Figures 8, 9 and l0 are, side view, a rear view and a plan view of theapparatus, as shown in Fi ures l to 8, provided with the attachment orsupport ing a comparatively long film, and

Figure 11 is a plan view of the apparatus as in Figures 8 to 10 butshowing it enclosed for use as a camera.

ai is the part of the frame of the cinematograph apparatus provided withthe lens b for taking and projecting pictures and the guide Aor race'cfor the opaque or transparent film d, e and f being the apertures in thesaid guide co-axial with the lens b. g and lz are the two spoolsarranged side by side yon respectively, a

lthe driving spindle 1I from which the film el is respectively fed toand received from, the

,race c the said spindle being arranged in bearings in a rearwardextension al of the frame a and being driven by a. pulley j on the saidspindle, spring driving band lc and pulley Z on a shaft fm, operated bya cranklever a through the medium of gear-wheels o, p. The shaft mi alsocarries sprocketwheels g, 1' for actuating the film and also actuatesthe mechanism, not shown, for feeding the film d' downthrougli the racec and rotating the usual shutter, also not shown,

inafter referred to, it being shown provided with a reduced portion lfitting in a socket i2 and in keyed relation therewith by a key s whichalso engages a key-way in the boss of the spool h. This detachable partof the spindle z' is held in position by a pivoted spring blade or clip4 havin a hole 5 to engage with the outer end o the said detachable partof the spindle i, so that when it is required to remove this part of thespindle together with the spools g and It it is only necessarytodisengage the spring blade i* from thesaid spindle and turn it on itspivot out of the way as indicated in Figure 8.

s, s are theihousings for the electric lamps for illuminating an opaqueor paperiilm, these housingsiitting into sockets t, t arranged inthe'front of the frame a and at such an anglethatthe light from the saidlamps will be .concentrated on the part of the lm displayed through theaperture e. By this arrangement it will be seen that the pictures on theopaque or paper lilm can be projected through the lens i housings s areremoved and caps w,

w, Figures 2 and 4, is the detachable cap or shutter which I fit intothe aperture f behind the film al, when the apparatus is being used as acamera, and to prevent the film when of paper from becoming overheatedduring projection, the saidcep being held in position by the spring clipv pivoted at v1.

To use the apparatus as a camera, the

fw, Figure 7, fitted to the sockets t, t to prevent access of light toeither an opaque-or transparent iilm d, except by way of the lens b, thedetachable cap or shutter u being retained in position in the aperture fto prevent access of light to the back of the film.'

When projecting a transparent film located in the race o a detachablehousing m Figures 5 to 7, is, fitted to the rear of the lframe a1through the medium of the socket w1 and which housing contains anelectric lamp, the light from which is directed by an inclined mirror ythrough a lens y1 and said lm, the lens y1 enlarging the field ofillumination.

The combined mirror and lens are fixed in position behind the apertureby screws and nuts y2, y2, the cap or shutter 'w ing first removed fromthe aperture f and the spring clip lv turned on its ivot out of the way,as indicated clearly in Figure 5.

Figures 8 to 10 show the attachment to enable the apparatus to be usedwith longer films than the apparatus illustrated in Figures l to 7, theportion of the spindle i carrying the spools g and L being detached inthe manner hereinbefore referred to. This attachment comprises the basee carrying the upright bracket e for securing the attachment to theapparatus by the screw a?. The .base e also carrles an upright brackete1, having a bearing in which is joumalled a spindle z2 on which ismounted a pair of spools z3, e* similar to the spools g, h,respectively, the spool 24 being operatedby a pulley e* keyed to thespindle z2 from a Apulley z5 on the spindle i through the medium of aspring driving band z", whilst the spool z3 is free on the said spindle.

When using the apparatus shown in Figures 8 to 1() as a camera, anenclosing twopart casing e", es is employed, as indicated by the dot anddash lines lin ligure 8 and in full lines, ligure 11, the apparatusbeing slid into the part e?, Whilst the part es is litted to the frontof the said part .e7 and secured thereto in any suitable way, forinstance, by hooks e pivoted on the one part engaging pins 21 on theother part.

Claims:

l. A combiied camera and projector'for taking cinematograph pictures on,and projecting them from, either opaque or transparent film, comprisinga closed casing, a system of lenses at the front thereof for taking orprojecting the pictures, termittently moving a picture film in a race ina direction at right angles vto the lens system so that the film canreceive rays of light from objects in front of the lens system orproject light through the said lens system, a plurality of openings inthe said casing front adapted to receive housings for lamps forilluminating the lm, or closures when the lamps are not required, and anopening in the side of the casing atvthe rear of the film race adaptedto receive a housing for a lamp, or a closure when the lamp is notrequired, and means for directing the light of said lamp through thefilm and through the lens system for projecting purposes.

2. A combined camera and projector for taking cinematograph pictures on,and projecting them from, either opaque or transparent system of lensesat the front thereof for taking or projecting the pictures, means forintermittently Vmoving a picture in a race in a direction at rightangles to the lens system, sothat the film can receive rays of lightfrom objects infront of the lens system or project light through thesaid lenssystem, a plurality of openings in the said casing frontadapted to receive housings for lamps for illuminating'the' film, orclosures when the lamps are notrequired, and an opening inthe side ofthe `casing at the rear of the i film race adapted to receive a housingfor a lamp, or a closure when the lamp is not required, and means fordirecting the light of means for mfilm, comprising a closed casing, a

said lamp through the film and through the lens system for projectingpur-poses prismg a lens tion.

3. A combined camera and projector for taking cinematograph pictures on, and procoma mirror for deiiecting the light and for enlarging thefield of illuminajecting them from, either opaque or trans parent film,comprising a closed casing, a

. system of lenses at the front thereof for taklng or projecting thepictures, means `for intermittently moving a picture film in a race ina. direction at right angles to the lens system so that the film canreceive rays of light from objects in front of the lens system orproject light through the said lens system, a plurality of openings inthe said casing front adapted to receive housings for lamps forilluminating the film, or closures when the lamps are not required, andan opening in the side of the casing at the rear of the film raceadapted to receive a housing for a lamp, or a closure when the lamp isnot required, means for directing the light of said lamp through thefilm and through the lens system for projectin purposes, a spool forfeeding the film to t e race, a spool for receiving the film from therace, a driving spindle on which the spools are arranged side by sideand which is in keyed relatlon with one of the spools, the portion ofthe spindle carrying the s ools being detachable from the remainder osaid spindle to enable the said spools to be removed, a second drivingspindle to be used instead of said detachable spindle to carry the filmspools, means for supportin the said second spindle, and means forriving the latter from the said remainder of the first mentionedspindle.

RICHARD JAMES NEIL.

